Metal Detector Sensor Circuit Diagram

Metal detectors contain one or more inductor coils that are used to interact with metallic elements on the ground.
Metal detector sensor circuit diagram. However in this circuit we are using a dedicated proximity inductive sensor to identify the ferrous objects and a buzzer to raise an alarm when detection occurs. Popularly these type of circuit uses inductors and its inductive property to sense metal detection. The figure shows the circuit diagram of. When the metal detector detects the metal object then it generates an audible sound like a beep.
Simple metal detector circuit is implemented by employing ic cs209a from cherry semiconductor now its on semiconductor the cs209a is a bipolar monolithic integrated circuit for use in metal detector applications and inductive proximity sensing applications. This metal detector sensor project is easy to make and is an application of colpitts oscillator. Simple metal detector circuit. Metal detector coil operates at a frequency of 3 khz.
Metal detector circuit diagram the metal detector is a relatively simple device an electronic circuit that provides good sensitivity and stability. Metal detectors are used to unearth or spot metal objects from various surfaces. A metal detector circuit using ic 555. Metal detector circuit diagram.
Circuit components 9 supply voltage. Metal detector circuit diagram. How these two concepts are used together for a metal detector circuit is explained in working section of this project. 2 2µf capacitor 2 pieces speaker 8ω 170turns of 10cm diameter coil any gauge would work circuit diagram and working.
This ic consumes 12v single power supply and utilize 6ma current during operation it can provide output current sink capability up to. Various minelab detectors also generate a visual display of target information. The single coil detector illustrated below is a simplified version of one used in a real metal detector. When a magnet is near to the 10mh choke the o p frequency changes.
In lc circuit capacitor and inductor are. The metal detector circuit built with an lc circuit buzzer and simple proximity sensor. There is need for any microcontroller as the proximity sensor will be sufficient to implement the project. A distinctive feature of this device is the low operating frequency.
A simple metal detector can be designed using proximity sensor buzzer and lc circuit inductor connected in parallel with capacitor which are connected as shown in the above circuit diagram. The proximity detector ic tda0161 based metal detector circuit is a very simple and easy to construct metal detector that can be used to detect small metals in our homes offices and gardens. This circuit will make the led to glow and buzzer to sound whenever it detects metal objects or targets.